DE69303793D1 - Non-return device for luffing jibs - Google Patents

Non-return device for luffing jibs

Info

Publication number
DE69303793D1
DE69303793D1 DE69303793T DE69303793T DE69303793D1 DE 69303793 D1 DE69303793 D1 DE 69303793D1 DE 69303793 T DE69303793 T DE 69303793T DE 69303793 T DE69303793 T DE 69303793T DE 69303793 D1 DE69303793 D1 DE 69303793D1
Authority
DE
Germany
Prior art keywords
return device
luffing jibs
jibs
luffing
return
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69303793T
Other languages
German (de)
Other versions
DE69303793T2 (en
Inventor
Terry Casavant
Michael Wanek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manitowoc Crane Companies LLC
Original Assignee
Manitowoc Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manitowoc Co Inc filed Critical Manitowoc Co Inc
Publication of DE69303793D1 publication Critical patent/DE69303793D1/en
Application granted granted Critical
Publication of DE69303793T2 publication Critical patent/DE69303793T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
DE69303793T 1992-10-08 1993-09-27 Non-return device for luffing jibs Expired - Lifetime DE69303793T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/958,230 US5292016A (en) 1992-10-08 1992-10-08 Luffing jib backstop assembly

Publications (2)

Publication Number Publication Date
DE69303793D1 true DE69303793D1 (en) 1996-08-29
DE69303793T2 DE69303793T2 (en) 1997-02-06

Family

ID=25500756

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69303793T Expired - Lifetime DE69303793T2 (en) 1992-10-08 1993-09-27 Non-return device for luffing jibs

Country Status (5)

Country Link
US (1) US5292016A (en)
EP (1) EP0592135B1 (en)
JP (1) JPH06219688A (en)
CA (1) CA2107742C (en)
DE (1) DE69303793T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794149B1 (en) * 1996-03-04 2004-02-25 Manitowoc Crane Companies, Inc. Offsetting link assembly for folding luffing jib
CA2266791C (en) 1998-03-27 2005-02-01 Manitowoc Crane Group, Inc. Four track crawler crane
DE20218971U1 (en) * 2002-12-06 2004-04-08 Liebherr-Werk Ehingen Gmbh Mobile crane with long arms
JP4912788B2 (en) * 2006-08-17 2012-04-11 株式会社タダノ Roughing jib equipment with fly jib
US8006752B2 (en) 2009-01-12 2011-08-30 Weatherford/Lamb, Inc. Guide tube for continuous rod
JP5377727B1 (en) * 2012-08-27 2013-12-25 Ｉｈｉ建機株式会社 crane
US20140131300A1 (en) * 2012-11-09 2014-05-15 Gru Comedil S.R.L. Jib for a crane
CN113562635A (en) * 2021-09-26 2021-10-29 徐工集团工程机械股份有限公司建设机械分公司 Crane and crane arm lifting method
WO2023074495A1 (en) * 2021-10-27 2023-05-04 コベルコ建機株式会社 Crane

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2382767A (en) * 1943-12-27 1945-08-14 Thew Shovel Co Boom for load handling machines
DE840302C (en) * 1950-07-18 1952-05-29 Menck & Hambrock G M B H Crane or excavator
GB1168356A (en) * 1967-08-21 1969-10-22 Priestman Brothers Improvements in Civil Engineering Machines
US3426915A (en) * 1967-08-28 1969-02-11 Caterpillar Tractor Co Collapsible weight handling boom
US3804264A (en) * 1972-12-08 1974-04-16 Harnischfeger Corp Tower crane with rockable top sector
US4109681A (en) * 1974-05-06 1978-08-29 Tornborg & Lundberg Ab Hoisting crane for building purposes
US4005780A (en) * 1975-11-10 1977-02-01 The Manitowoc Company, Inc. Boom stop and back hitch compensating system
FR2409225A1 (en) * 1977-11-21 1979-06-15 Creusot Loire IMPROVEMENT WITH TELESCOPIC CRANES
DE3030820A1 (en) * 1979-08-17 1981-03-26 Coles Cranes Ltd., Sunderland, Tyne and Wear MOBILE CRANE WITH A TELESCOPIC BOOM
FR2572718B1 (en) * 1984-11-06 1988-02-05 Phb Someral SYSTEM FOR CONTROLLING THE OPERATION OF A BOOM CRANE
DD254500A3 (en) * 1985-12-19 1988-03-02 Schwermasch Kirow Veb K HOLDER DEVICE FOR BOOM WITH HEAD EXCHANGER

Also Published As

Publication number Publication date
CA2107742C (en) 1996-05-21
CA2107742A1 (en) 1994-04-09
US5292016A (en) 1994-03-08
EP0592135A1 (en) 1994-04-13
EP0592135B1 (en) 1996-07-24
JPH06219688A (en) 1994-08-09
DE69303793T2 (en) 1997-02-06

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MANITOWOC CRANE GROUP, INC., RENO, NEV., US

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MANITOWOC CRANE COMPANIES, INC., RENO, NEV., US